# A081368 (b-file synthesized from sequence entry)
1 2
2 71
3 828
4 1828
5 45904
6 5235360
7 2874713
8 52662497
9 757247093
10 6999595749
11 66967627724
12 76630353547
13 5945713821785
14 25166427427466
15 391932003059921
16 8174135966290435
17 72900334295260595
18 630738132328627943